| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/08/2004 | WO2004003239A1 Method for smoothing and polishing surfaces by treating them with energetic radiation |
| 01/08/2004 | US20040006435 Systems and methods for controlling the activity of carbon in heat treating atmospheres |
| 01/08/2004 | US20040004062 Plasma-assisted joining |
| 01/08/2004 | US20040003875 Producing low carbon steel strip in a continuous strip caster. |
| 01/08/2004 | US20040003874 A length of an laser beam irradiation shape in the longitudinal direction of the portion to be hardened is longer than a length thereof in a direction perpendicular to the longitudinal direction. |
| 01/08/2004 | US20040003869 Steel material production method |
| 01/08/2004 | DE10227076A1 Verfahren und Anlage zum Erwärmen von Werkstücken vor dem Warmformen Method and apparatus for heating workpieces prior to thermoforming |
| 01/08/2004 | CA2476546A1 Method for producing seamless steel pipe for inflator of air bag |
| 01/07/2004 | EP1378577A1 Process for heat treating cold rolled formable steel strip and steel strip thus obtained |
| 01/07/2004 | CN1466503A Method of producing steel strip |
| 01/07/2004 | CN1466502A Production of thin steel strip |
| 01/07/2004 | CN1465722A Water-soluble quenching medium |
| 01/07/2004 | CN1134034C Process for mfg. magnetic component made of iron-based soft magnetic alloy having nanocrys talline structure |
| 01/07/2004 | CN1133751C Electric slide contact method for quenching surface of cylinder sleeve and its dedicated equipment |
| 01/06/2004 | US6673304 Apparatus for heat-treating a V-type cylinder block by induction heating |
| 01/06/2004 | US6673171 Medium carbon steel sheet and strip having enhanced uniform elongation and method for production thereof |
| 01/06/2004 | US6673167 Power transmission shaft |
| 01/06/2004 | US6672367 Methods and apparatus for heat treatment and sand removal for castings |
| 01/06/2004 | CA2290690C Rotatable joint for a liquid quenching drum |
| 01/06/2004 | CA2283825C Apparatus and method for cooling hot rolled steel rod |
| 01/02/2004 | EP1377125A1 Heat insulating board of induction heating apparatus |
| 01/02/2004 | EP1375694A1 Hot-rolled steel strip and method for manufacturing the same |
| 01/02/2004 | EP1375685A1 Rapid cooling device for steel band in continuous annealing equipment |
| 01/02/2004 | EP1375684A2 Process for the manufacture of bearing rings for large rolling bearings |
| 01/02/2004 | EP1375683A1 High strength steel tube for air bag and method for production thereof |
| 01/02/2004 | EP1375682A1 Flanged parts producing method, and heat treating device and heat treating method |
| 01/02/2004 | EP1375680A1 Scale removing method for induction heating apparatus and induction heating apparatus |
| 01/02/2004 | EP1373153A1 Heat transfer fluids useable for cooling items, such as optical fibers |
| 01/01/2004 | US20040001295 Plasma generation and processing with multiple radiation sources |
| 01/01/2004 | US20040000356 Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus |
| 01/01/2004 | US20040000053 Method of making a bearing ring for a large roller bearing |
| 12/31/2003 | WO2004002195A2 Induction heating system having eccentric locator |
| 12/31/2003 | WO2004001096A2 Method for surface treatment of sheets and strips of aluminium alloy |
| 12/31/2003 | CN2595819Y Saw blade induction heater |
| 12/31/2003 | CN1133183C Heat-treatment of glassy metal alloy for article surveillance system markers |
| 12/31/2003 | CN1132960C 耐污染的研磨加工不锈钢板及其制造方法 Resistant to pollution of polished stainless steel sheet and manufacturing method thereof |
| 12/31/2003 | CA2488040A1 Method for surface treatment of sheets and strips of aluminium alloy |
| 12/30/2003 | US6670578 Pre-loading of components during laser peenforming |
| 12/30/2003 | US6669897 Treatment of ingots or spacer blocks in stacked aluminum ingots |
| 12/30/2003 | US6669794 Method for treating an object with a laser |
| 12/30/2003 | US6669789 Method for producing titanium-bearing microalloyed high-strength low-alloy steel |
| 12/25/2003 | WO2003106728A1 Cold work steel and cold work tool |
| 12/25/2003 | WO2003106727A1 Steel and mould tool for plastic materials made of the steel |
| 12/24/2003 | WO2003106719A2 Apparatus and method for thermomechanically forming an aluminide part of a workpiece |
| 12/24/2003 | CN1131890C 部件热处理的方法和设备 Heat treatment method and apparatus parts |
| 12/24/2003 | CA2488793A1 Cold work steel and cold work tool |
| 12/23/2003 | US6667111 Rapid infrared heating of a surface |
| 12/23/2003 | US6666931 Rolling part and power transmission part |
| 12/23/2003 | US6666929 Process for the improvement of the magnetic characteristics in grain oriented electrical silicon steel sheets by laser treatment |
| 12/23/2003 | CA2299430C Metallurgical method for processing nickel- and iron-based superalloys |
| 12/18/2003 | WO2003104501A2 Method and device for patenting steel wires |
| 12/18/2003 | WO2003104500A1 Device for cooling and/or rinsing steel wires and/or tapes |
| 12/18/2003 | WO2003104499A1 Method for producing cold rolled steel plate of super high strength |
| 12/18/2003 | WO2003104498A1 Heating device |
| 12/18/2003 | WO2003104497A1 Method and device for continuous annealing metallic ribbons |
| 12/18/2003 | WO2003078666A3 Method and device for convective heat transfer between a heat transfer medium and the front face of a wound metal strip in the form of a coil |
| 12/18/2003 | WO2003078665A3 Method and device for convective heat transfer between a heat transfer medium and the surface of a workpiece |
| 12/18/2003 | US20030230433 Rock drill product and method |
| 12/18/2003 | US20030230366 Apparatus and method for thermomechanically forming an aluminide part of a workpiece |
| 12/18/2003 | US20030230069 Track link production method and track link produced by the same |
| 12/17/2003 | EP1371863A1 High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 12/17/2003 | EP1371744A1 Steel material and method for preparation thereof |
| 12/17/2003 | EP1371738A1 Managing gas streams in a reactive gas section |
| 12/17/2003 | EP1204771B1 Semifinished and finished products made of austenitic special steel and method for the production thereof |
| 12/17/2003 | EP0767718B1 Method and apparatus for joining metal components |
| 12/17/2003 | CN2592654Y Die laser surface treatment numerical control machine |
| 12/17/2003 | CN1462317A Steel plaster excellent in shape freezing property and method for production thereof |
| 12/17/2003 | CN1462315A Method for producing unidirectional silicons steel sheet free of inorganic mineral coating film |
| 12/17/2003 | CN1462314A Oil composition for heat treatment |
| 12/17/2003 | CN1461818A Atmosphere gas producer and method for carburising |
| 12/17/2003 | CN1131322C Device for producing heat treatment atmospheres |
| 12/17/2003 | CN1131116C Method for manufacturing components made of steel |
| 12/16/2003 | US6663726 For blanking, bending, drawing and trimming of steel sheets used in automobiles, home electric appliances, printed circuit boards, agricultural equipment |
| 12/16/2003 | US6663724 Molten salt composition for use in manufacturing laminated rings |
| 12/11/2003 | US20030228949 Sintered sprocket and manufacturing method |
| 12/11/2003 | US20030226618 Heat treatment in channel with transverse projection for heat contact |
| 12/10/2003 | EP1369941A2 Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method |
| 12/10/2003 | EP1369337A1 Rack bar and method of heat-treating a rack bar |
| 12/10/2003 | EP1368141A2 Flat metal, production device and production method |
| 12/10/2003 | CN1460724A High-temperature antioxidative nano coating for heat treatment of workpiece |
| 12/10/2003 | CN1130954C Induction heating quench apparatus for crankshaft and using method thereof |
| 12/09/2003 | US6659909 Toroidal continuously variable transmission and manufacturing method thereof |
| 12/04/2003 | WO2003101152A1 Device for the induction heating of toothing belonging to a mechanical part |
| 12/04/2003 | WO2003100277A1 Rolling part and power transmission part |
| 12/04/2003 | WO2003027349A3 Method for heat-treating work pieces made of temperature-resistant steels |
| 12/04/2003 | US20030221754 Carbon steels of high performance are disclosed that contain a three-phase microstructure consisting of grains of ferrite fused with grains that contain dislocated lath structures in which laths of martensite alternate with thin films of |
| 12/03/2003 | EP1367139A2 Heat treatment apparatus and procedure for operating said apparatus |
| 12/03/2003 | EP1366199A2 Production of a cylindrical housing for a double screw extruder |
| 12/03/2003 | EP1285098B1 Method and device for induction hardening crankshafts |
| 12/03/2003 | CN1460392A Heat insulating board of induction heating apparatus |
| 12/03/2003 | CN1460170A Method for reheating metallurgical products |
| 12/03/2003 | CN1460156A High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 12/03/2003 | CN1460125A Scale removing method for induction heating apparatus and induction heating apparatus |
| 12/03/2003 | CN1460040A Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using this apparatus |
| 12/03/2003 | CN1459803A Nuclear fuel assembly supporting grid and producing method thereof |
| 12/03/2003 | CN1459399A Caterpillar shaft sleeve and mfg. method thereof |
| 12/02/2003 | US6656533 By diffusion coating; turbine blades or vanes |
| 12/02/2003 | US6656413 Method and apparatus for quenching metal workpieces |
| 11/27/2003 | WO2003097885A1 Rock drill product and method |
| 11/27/2003 | WO2003097883A1 Method for the surface hardening of metals and alloys thereof |